ponasanje
http://www.livescience.com/14152-destructive-human-behaviors-bad-habits.html
http://www.livescience.com/23500-why-men-love-breasts.html
http://www.livescience.com/24102-50-facts-sex.html
But perhaps women can take things into their own hands, or minds, as other research has found a lack of erotic thoughts, and even negative thoughts, during sex are linked to the trouble some women have reaching orgasm. These negative or distracting thoughts fell into six categories: thoughts of sexual abuse, sexual failure, a partner's lack of affection, sexual passivity and control, things that had no erotic nature, and body shortcomings.
"There is no easy way to avoid negative or distractive thoughts," study researcher Marta Xavier Cuntim, a clinical psychologist in Portugal, told LiveScience at the time the study was published in 2011 in the journal Sexologies. "However, if we know that they exist, it is easier to learn to deal with them."
Wait a minute. What is sex, anyway? According to the famous Kinsey Reports, opinions vary. In a 2010 study by the Kinsey Institute, 45 percent said manual stimulation of the genitals is sex, 71 percent said oral sex is sex and 80 percent said anal intercourse is sex.
Can oral sex kill? It's incredibly rare, but there are a few reported cases of mostly pregnant women ending up with venous air embolisms after their partners blew air into their vaginas during sex. When they enter the circulatory system, air bubbles can block vessels, causing pain, tissue damage and, in extreme cases, death.